A fluorophore-labeled human cell. A fluorophore (or fluorochrome, similarly to a chromophore) is a fluorescent chemical compound that can re-emit light upon light excitation. Fluorophores typically contain several combined aromatic groups, or planar or cyclic molecules with several Ï bonds.
IN THIS TOPIC. Pregnancy symptoms are different for everyone, and can vary from month to month and even from pregnancy to pregnancy. Find out what to expect, from the earliest pregnancy symptoms to the wooziness of morning sickness to the aches and pains of your third trimester.
Unfortunately, the morning part of morning sickness is actually a myth â the kind of nausea linked to pregnancy can last all day, beginning no sooner than four weeks after your last period began. The good news for women who actually want to be pregnant: Nausea is sign of a normal, healthy pregnancy.